Preserve full opaque HD backgrounds and source-supported small cues

docs/windows-build.md

@@ -59,10 +59,16 @@ mods, captures SDL gameplay and publishes the zip as a workflow artifact.
 
 ## Current runtime and validation
 
-The included GNU executable uses the reviewed **1,148-frame HD snapshot**;
-the shared manifest binds **6,848 data files** and the package contains
+The included GNU executable uses the reviewed **2,132-frame HD snapshot**;
+the shared manifest binds **7,415 data files** and the package contains
 **45 installed mods**. Its SHA-256 is
-`63d040f5d5c76bad15a74ab1ef54ca992a0fd9cd8b7a46f8506d8cce4fbec275`.
+`ad2ee7f5cc8e90ea371eccf2a509cd99263c6c880a6d42e2886cdc017c24561b`.
+This build includes the bounded opaque-background rounding and optional
+per-frame presentation policies documented in [hd-streaming.md](hd-streaming.md).
+Existing approved artwork uses the default policies. Fresh archive execution
+and native Windows CI checks for this successor are recorded separately from
+the historical checks below; they are not inherited from unchanged artwork.
+
 The [1,148-frame native Windows run](https://github.com/Quintine/RustRaptor/actions/runs/38126069413)
 passed portable tests, exact committed GNU runtime checks, the MSVC desktop
 build and exported-folder catalog, HD, mod and SDL gameplay validation. That